The best replacement for chronic is acute.

The best alternatives to chronic are rated as following:
★★★★★  acute
★★★  acute pain
★★★  acute leukemia
★★  acute stress
★★  kush
★★  acute renal failure
★★  acute pancreatitis
★★  acute disease
★  acute bronchitis
★  acute illness
★  acute inflammation
★  acute dvt
★  congestive heart failure
  chronic
  acute kidney failure
  acute osteomyelitis
  acute heart failure
  acute exposure
  acute asthma
  acute sinusitis
  acute infection
  acute schizophrenia
  stress
  dro
  acute cholecystitis
  acute hepatitis c
  mids
  hydro
  acute respiratory acidosis
  acute hepatitis
  acute myeloid leukemia
  acute acl tear
  acute hepatitis b
  acute conditions
  acute appendicitis
  acute back pain
  acute pulmonary embolism
  terminal

Your alternative for chronic is not listed? Suggest!
Speaking about chronic, one probably shouldn't forget about squamous metaplasia patients.

Other search terms related to chronic and their ratings are:
★★★★★ squamous metaplasia patients
You have in mind a companion for chronic and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of chronic in all years. Click on graph for more.
chronic
acute
acute pain